Sony Xperia Z3 Compact or Xperia Z2 ???

Sony Xperia Z3 Compact or Xperia Z2 ???

Hello, The Xperia Z3 Compact just got announce today, I actually really love its spec and price (£429)! I am on nexus 4 at the moment and want to change my phone. I notice the Xperia Z2 is selling on Amazon for £430 which is similar cost as the Z3 Compact. I need some advice here, which one should be a better phone to get? (Interms of battery life, features and price/performance)

I normally use smartphone to take pictures, listening to music(some FLAC, mostly itunes m4a), and browsing the web and social networking, also I love watching HD videos on youtube. Not so much about gaming but do like to play Fifa 14 on phone(while my nexus 4 gets very very very HOT!!)